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ASF subversion and git services commented on SOLR-11061:
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Commit 6a4e3c3564fe16d4be345686aac7dcd42c413ac3 in lucene-solr's branch
refs/heads/branch_7x from [~ab]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=6a4e3c3 ]
SOLR-11061: Add a spins metric for data directory paths.
> Add a spins metric for all directory paths
> ------------------------------------------
>
> Key: SOLR-11061
> URL: https://issues.apache.org/jira/browse/SOLR-11061
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: metrics
> Reporter: Shalin Shekhar Mangar
> Assignee: Andrzej Bialecki
> Fix For: master (8.0), 7.1
>
> Attachments: SOLR-11061.patch
>
>
> See org.apache.lucene.util.IOUtils.spins. It currently only works for linux
> and is used by ConcurrentMergeScheduler to set defaults for maxThreadCount
> and maxMergeCount.
> We should expose this as a metric for solr.data.home and each core's data
> dir. One thing to note is that the CMS overrides the value detected by the
> spins method using {{lucene.cms.override_spins}} system property. This
> property is supposed to be for tests but if it is set then the metrics API
> should also take that into account.
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